code: def testOne(self):
      self.assertAlmostEqualVector(AutoCorrelation()([0.2]), [0.04])
  
file_path: essentia/test/src/unittests/stats/test_autocorrelation.py
imports: from essentia_test import *
label_desc: Use image node_id 6 for calling the TestAutoCorrelation obj's underlying member method code with example usage: obj.testOne() without return types